building_map = {
    "16栋A区" : "471",
    "16栋B区" : "472",
    "17栋" : "451",
    "弘毅轩1栋A区" : "141",
    "弘毅轩1栋B区" : "148",
    "弘毅轩2栋A区1-6楼" : "197",
    "弘毅轩2栋B区" : "201",
    "弘毅轩2栋C区" : "205",
    "弘毅轩2栋D区" : "206",
    "弘毅轩3栋A区" : "155",
    "弘毅轩3栋B区" : "183",
    "弘毅轩4栋A区" : "162",
    "弘毅轩4栋B区" : "169",
    "留学生公寓" : "450",
    "敏行轩1栋A区" : "176",
    "敏行轩1栋B区" : "184",
    "行健轩1栋A区" : "85",
    "行健轩1栋B区" : "92",
    "行健轩2栋A区" : "99",
    "行健轩2栋B区" : "106",
    "行健轩3栋A区" : "113",
    "行健轩3栋B区" : "120",
    "行健轩4栋A区" : "127",
    "行健轩4栋B区" : "134",
    "行健轩5栋A区" : "57",
    "行健轩5栋B区" : "64",
    "行健轩6栋A区" : "71",
    "行健轩6栋B区" : "78",
    "至诚轩1栋A区" : "1",
    "至诚轩1栋B区" : "8",
    "至诚轩2栋A区" : "15",
    "至诚轩2栋B区" : "22",
    "至诚轩3栋A区" : "29",
    "至诚轩3栋B区" : "36",
    "至诚轩4栋A区" : "43",
    "至诚轩4栋B区" : "50",
    "西苑1栋" : "1",
    "西苑2栋" : "9",
    "西苑3栋" : "17",
    "西苑4栋" : "25",
    "西苑5栋" : "33",
    "西苑6栋" : "41",
    "西苑7栋" : "49",
    "西苑8栋" : "57",
    "西苑9栋" : "65",
    "西苑10栋" : "74",
    "西苑11栋" : "75",
    "东苑4栋" : "171",
    "东苑5栋" : "130",
    "东苑6栋" : "131",
    "东苑9栋" : "162",
    "东苑14栋" : "132",
    "东苑15栋" : "133",
    "南苑3栋" : "94",
    "南苑4栋" : "95",
    "南苑5栋" : "96",
    "南苑7栋" : "97",
    "南苑8栋" : "98"
}